package kr.hkit.androidcomplete01.ch12;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import kr.hkit.androidcomplete01.R;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ExpandableListAdapter;
import android.widget.ExpandableListView;
import android.widget.SimpleExpandableListAdapter;

public class Expandable extends Activity {
	ExpandableListView mList;
	String[] arProv = new String[] {"충청도", "경기도",	"강원도"};
	String[][] arCity = new String[][] {{"논산", "당진", "부여"}, {"수원","용인"}, {"춘천", "원주","홍천","강릉"}};
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.ch12_expandable);
		
		mList = (ExpandableListView) findViewById(R.id.list); //
		List<Map<String, String>> provData = new ArrayList<Map<String,String>>();
		List<List<Map<String, String>>> cityData = new ArrayList<List<Map<String,String>>>();
		
		for(int i=0; i <arProv.length;i++){
			Map<String, String> Prov = new HashMap<String, String>();
			Prov.put("prov", arProv[i]);
			provData.add(Prov);
			
			List<Map<String,String>> children = new ArrayList<Map<String,String>>();
			
			for(int j = 0; j< arCity[i].length;j++){
				Map<String,String> City = new HashMap<String, String>();
				City.put("city", arCity[i][j]);
				children.add(City);
			}
			cityData.add(children);
		}
		
		ExpandableListAdapter adapter = new SimpleExpandableListAdapter(this,
				provData,
				android.R.layout.simple_expandable_list_item_1,
				new String[] {"prov"},
				new int[] {android.R.id.text1},
				cityData,
				android.R.layout.simple_expandable_list_item_1,
				new String[] {"city"},
				new int[] {android.R.id.text1}
		);
		mList.setAdapter(adapter);
	}
}
